What are the Building Regulations re: sealing fire doorways? If you want to know how your DIY projects could be affected by building and planning regulations, click here to post questions and view answers

[Mattski]

Hi,
I am planning to seal a doorway leading from my Kitchen on the ground floor of my 3 storey townhouse which leads out onto a hallway. Off the Hallway come the stairs to the 1st floor landing and then off this are the stairs to the 2nd floor landing.

I have 3 questions I would like some advice on.

1. What are the Building Regulations re: sealing fire doorways?

2. The remaining doorway out of the Kitchen (which is currently not a fire door) leads into a Dining Room which still has a fire door leading onto the Hallway. Do I need to upgrade the Kitchen to Dining Room door to a fire door or is the existing one enough?

3. Will I need to inform my local Buildings Control Department and will I need Planning permission?

Would greatly appreciate your advice.
Thanks

[arbco]

1. As long as the sealing achieves 30 minutes fire resistance then you will be OK. 2 layers 12.5mm plasterboard either side of a 100mm * 50mm stud.
2. No one door is enough.
3. Strictly speaking it is a material alteratin and requirs permission but you wil be OK.

[Mattski]

Ok, thanks arbco appreciate your advice.